Research Article

β-Carboline Silver Compound Binding Studies with Human Serum Albumin: A Comprehensive Multispectroscopic Analysis and Molecular Modeling Study

Table 5

Noncovalent interactions of compound 2 with the HSA binding site III.

NameDistance (Å)CategoryType

Compound 2: H4-GLY189:O2.73Hydrogen bondConventional
LYS190-compound 24.88Electrostaticπ-Cation
Compound 2: O3-PHE1573.39Electrostaticπ-Anion
TYR161-compound 24.29Hydrophobicπ-π Stacked
TYR161-compound 24.72π-π Stacked
Compound 2-A: TYR1613.91π-π Stacked
Compound 2-A: ILE1423.64π-Alkyl
Compound 2-A: ILE1424.98π-Alkyl
Compound 2-A: LEU1355.43π-Alkyl
Compound 2-A: ALA1584.91π-Alkyl
Compound 2-A: LYS1904.11π-Alkyl
Compound 2-A: LYS1903.09π-Alkyl
Compound 2-A: LYS1903.21π-Alkyl